Description
1 Sylvania 6SN7GTB Vacuum Tube 1970's Vintage Twin Triode Hickok TV-7D/U tests read 112/108. A reading of 50/50 is the minimum recommended. It features black plates, a halo getter and a wafer base. Your purchase will be carefully packed and shipped quickly via the USPS. Shipping discount when purchasing other items using the same ebay buyer ID.